Breast and Cervical Cancer Screening Among Medicaid Beneficiaries: The Role of Physician Payment and Managed Care.
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ABSTRACT:
SUBMITTER: Sabik LM
PROVIDER: S-EPMC6212332 | biostudies-literature | 2020 Feb
REPOSITORIES: biostudies-literature
Publications
Breast and Cervical Cancer Screening Among Medicaid Beneficiaries: The Role of Physician Payment and Managed Care.
Sabik Lindsay M LM Dahman Bassam B Vichare Anushree A Bradley Cathy J CJ
Medical care research and review : MCRR 20180504 1
Medicaid-insured women have low rates of cancer screening. There are multiple policy levers that may influence access to preventive services such as screening, including physician payment and managed care. We examine the relationship between each of these factors and breast and cervical cancer screening among nonelderly nondisabled adult Medicaid enrollees. We combine individual-level data on Medicaid enrollment, demographics, and use of screening services from the Medicaid Analytic eXtract file ...[more]
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Project description:ObjectivesThis study investigated the relationship between state Medicaid co-payment policies and cancer screening for Medicaid-enrolled women.Study designCross-sectional analysis of administrative claims and enrollment data.MethodsOur data included Medicaid Analytic eXtract (MAX) outpatient claims files across 43 states in 2003, 2008, and 2010, the years for which both MAX data and state cost-sharing data were available. Data on enrollee demographics and screening services from enrollment and claims files were merged with state-year data on co-payment policies and county-level controls from the Area Health Resources File. Participants were nonelderly, nondisabled, nonpregnant women in the recommended age range for each screening service (50-64 years for mammograms; 21-64 years for Pap tests) enrolled in fee-for-service Medicaid. The main independent variable is whether an enrollee faced cost sharing for preventive services. We examined 3 categories of cost sharing: co-payments for all visits, including for preventive services; co-payments for outpatient visits but waived for preventive services; and no co-payments. The main outcome measure was receipt of mammogram or Pap test within a 12-month period.ResultsMedicaid enrollees with co-payments for preventive services were less likely to receive both screening mammograms and Pap tests than enrollees in states not requiring cost sharing for preventive services.ConclusionsCo-payments for preventive services discourage breast and cervical cancer screening among Medicaid enrollees. The effect is larger for breast cancer screening, which is costlier and requires an additional visit. Considering this evidence, cost sharing for preventive services may lead to adverse health consequences and greater long-term costs.
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Project description:ImportanceManaged care payment formulas commonly allocate more money for medically complex populations, but ignore most social determinants of health (SDH).ObjectiveTo add SDH variables to a diagnosis-based payment formula that allocates funds to managed care plans and accountable care organizations.Design, setting, and participantsUsing data from MassHealth, the Massachusetts Medicaid and Children's Health Insurance Program, we estimated regression models predicting Medicaid spending using a diagnosis-based and SDH-expanded model, and compared the accuracy of their cost predictions overall and for vulnerable populations. MassHealth members enrolled for at least 6 months in 2013 in fee-for-service (FFS) programs (n = 357 660) or managed care organizations (MCOs) (n = 524 607).ExposuresWe built cost prediction models from a fee-for-service program. Predictors in the diagnosis-based model are age, sex, and diagnoses from claims. The SDH model adds predictors describing housing instability, behavioral health issues, disability, and neighborhood-level stressors.Main outcomes and measuresOverall model explanatory power and overpayments and underpayments for subgroups of interest for all Medicaid-reimbursable expenditures excepting long-term support services (mean annual cost = $5590 per member).ResultsWe studied 357 660 people who were FFS participants and 524 607 enrolled in MCOs with a combined 806 889 person-years of experience. The FFS program experience included more men (49.6% vs 43.6%), older patients (mean age of 26.1 years vs 21.6 years), and sicker patients (mean morbidity score of 1.16 vs 0.89) than MCOs. Overall, the SDH model performed well, but only slightly better than the diagnosis-based model, explaining most of the spending variation in the managed care population (validated R2 = 62.4) and reducing underpayments for several vulnerable populations. For example, raw costs for the quintile of people living in the most stressed neighborhoods were 9.6% ($537 per member per year) higher than average. Since greater medical morbidity accounts for much of this difference, the diagnosis-based model underpredicts costs for the most stressed quintile by about 2.1% ($130 per member per year). The expanded model eliminates the neighborhood-based underpayment, as well as underpayments of 72% for clients of the Department of Mental Health (observed costs of about $30 000 per year) and of 7% for those with serious mental illness (observed costs of about $16 000 per year).Conclusions and relevanceSince October 2016, MassHealth has used an expanded model to allocate payments from a prespecified total budget to managed care organizations according to their enrollees' social and medical risk. Extra payments for socially vulnerable individuals could fund activities, such as housing assistance, that could improve health equity.
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